February 20, 2017

Homework Help: Precalc

Posted by Grace on Thursday, January 19, 2012 at 3:09am.

The figure shows a 10 x 10 square centered at the origin. The darker-shaded square is the image of this square, dilated by a factor of 0.8 and rotated about the origin by exactly the number of degrees, , so that its corners touch the sides of the parent square. The corners of the rotated square divide the sides of the 10 x 10 square into segments of length a and b.
Use the fact that a and b add up to 10 to find the value of theta.

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